Robert David Sack (born October 4, 1939) is a senior United States circuit judge of the United States Court of Appeals for the Second Circuit. Early life and education Born in Philadelphia, Pennsylvania, Sack was raised in Brooklyn, New York. His father was Eugene Sack, who served as rabbi of Congregation Beth Elohim for 35 years. In 1989 he married his second wife, the lawyer Anne K. Hilker; he had been divorced from his first wife. Sack received a Bachelor of Arts degree from the University of Rochester in 1960 and received his Bachelor of Laws from Columbia Law School in 1963. Career He first clerked for Judge Arthur Stephen Lane of the United States District Court for the District of New Jersey. In 1964, he joined Patterson, Belknap & Webb, eventually becoming a partner of the firm. During 1974, he served as Associate Special Counsel and Senior Associate Special Counsel for the House Judiciary Committee's impeachment inquiry into President Richard Nixon. Following his government service, Sack returned to Patterson Belknap. In 1986, he joined the law firm of Gibson, Dunn & Crutcher as a partner. Throughout his career in private practice, Sack specialized in press law and represented numerous United States and foreign-based media companies. Federal judicial service Sack was nominated by President Bill Clinton on November 6, 1997, to a seat on the United States Court of Appeals for the Second Circuit vacated by Judge Roger J. Miner. He was confirmed by the United States Senate on June 15, 1998, and received commission on June 16, 1998. He assumed senior status on August 6, 2009. Other service Judge Sack was an officer and director of the William F. Kerby and Robert S. Potter Fund, which assisted in funding the legal defense of journalists abroad, and a member of the advisory boards of the Bureau of National Affairs' Media Law Reporter and the ABA Forum Committee's Communications Lawyer. He is a member of the board of visitors of the Columbia Law School and was a member of the board of trustees of Columbia University Seminars on Media and Society. He has, since 2001, been an adjunct professor of law at Columbia Law School. He was Columbia Law School's commencement speaker in 2007. He was adjunct professor of political science and special guest lecturer at the University of Rochester in 2012 and a distinguished visiting jurist at the University of